Home / 40,031.54-60,050.70-11,949.78

Finding the Fourth Proportional to 40,031.54, 60,050.70 and 11,949.78

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Solution

The fourth proportional to 40,031.54, 60,050.70 and 11,949.78 is: 17,925.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,031.54 : 60,050.70 = 11,949.78 : x
  2. Step 2: Convert to fraction form
    40,031.54/60,050.70 = 11,949.78/x
  3. Step 3: Cross multiply
    40,031.54x = 60,050.70 × 11,949.78
  4. Step 4: Simplify right side
    40,031.54x = 717,592,653.85
  5. Step 5: Solve for x
    x = 717,592,653.85/40,031.54
  6. Step 6: Final answer
    x = 17,925.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.